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BlackJack Odds Calculator

21 Casino Options Calculator

Instructions Below

Double Down after Split

Double Down soft hand

Double Down on 10, 11 (True for nearly all casinos)

Double Down on 9

Double Down any number of cards

Dealer hits soft 17

No Hole card (Dealer BJ wins all)

Resplit

Resplit Aces

No Ace Splits

Six cards unbusted wins (Six card Charlie)

Blackjack pays 2:1

Late Surrender

Early Surrender

Quantity Of Decks

1

2

3

4

6

8

Version 1.3.2

This calculator requires the use of Javascript enabled and capable browsers. Click on the option boxes to set determine the guidelines. Then click on Calculate. The percentage player strategy using math percentage calculations will be shown for 1, 2, 3, 4, 6 and 8 decks above.